下面代码的输出结果是 >>>x="Happy Birthday to you!" >>>x*3 选项: A:系统报错 B: 'Happy Birthday to you! Happy Birthday to you! Happy Birthday to you!' C: Happy Birthday to you! Happy Birthday to you! Happy Birthday to you! D: Happy Birthday to you! 结果是 输出 报错 发布时间:2024-04-14 01:23:35